Autoclave



FIG. 1 is a front view of an autoclave;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a perspective view from upper right side thereof.

The broken lines are included for the purpose of illustrating portions of the autoclave that form no part of the claimed design. 

CLAIM The ornamental design for an autoclave, as shown and described. 